Question

What is the sales tax rate in new mexico is 5.125%/ Select all the equations that represents the sales tax, t, you would pay in mexico for an item of cost c ?

a. t=5.125c
b. t=0.5125c
c. t= 0.05125c
d. t=c/0.05125
e. t=5.125/100 c

Answer 1

• c. t = 0.05125 c
• e. t = 5.125/100 c

Explanation:

The tax is found by multiplying the tax rate by the item cost. (This eliminates choice D.)

The tax rate is usually expressed as a percentage. Here, it is 5.125%. As a fraction, that is 5.125/100 (matches choice E). As a decimal fraction, that is 0.05125 (matches choice C).

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The word "percent" means "per hundred". The % symbol is a shorthand way to write /100. To convert a percentage to a fraction or decimal, you can replace the % with /100:

5.125% = 5.125/100 = 0.05125